TM-9-2910-226-34

PUMP, FUEL, METERING AND DISTRIBUTING, ASSEMBLY

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT, MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS

JUNE 1974

  TM-9-2910-226-34 - Page 79 of 208

(3) Check the disassembled components of the
fuel supply pump against the repair standards para
3-62. Replace the complete pump assembly if they do
not meet these requirements. Refer to figure 3-43.
Examine the supply pump housing(K) and housing
cover(F) for cracks and distortion. Inspect the idler
gear (D) and the gear on drive shaft (E) for broken or
chipped gears and looseness of idler gear pin (R).
Replace the complete pump assembly if any of the
parts are damaged.
(4) Refer to figure 3-44. Apply a thin coat of
sealing compound, MIL-S-45180, or equivalent to
the outside diameter of the oil seal and press the seal
into the supply pump housing flush to 0.015 inch
below supply pump housing face.
TM 9-2910-226-34
(5) Refer to figure 3-43. Install idler gear (D) on
pin in supply pump housing. Apply engine oil to lip
of housing oil seal and install drive shaft (E) in
supply pump housing.
Clearance between flat
surface of gears and housing must be 0.002 to 0.008 -
inch. Install the Woodruff key (J). Install drive gear
(B) on drive shaft and secure with retaining ring (A).
Turn drive shaft by hand. Gears must operate freely
without any binding. Apply a thin coat of sealer,
MIL-S-45180, to housing cover and install cover (F)
on housing. Secure cover with screws (H) and lock-
washers (G). Tighten screws to a torque of 30-35
inch -pounds.
e. Final Testing.
Final testing of the fuel supply
pump is accomplished at fuel injection pump test
stand calibration.
3-21. Repair of Timing Window Cover and Fuel
Shutoff Rod Assembly (All Except Code A In-
jection Pumps).
a. Disassembly.
Refer to figure 3-
45. Drive out fitting retaining pin (A) using suitable
drift. Remove shutoff fitting (B) and bearing screw
(C). Remove and discard shutoff rod gasket (D).
Remove rod return spring (E). Remove and discard
shutoff rod preformed packing (F). Remove fuel
shutoff rod (G) from timing window cover.
Figure 3-44. Installing fuel supply pump housing oil seal.
3-33


Back to Top